public boolean canRemoveMapping(Mapping mapping) {
int enablementFlags = domain.getMappingEnablementFlags();
if (mapping.getNestedIn() == null
|| (enablementFlags & MappingDomain.ENABLE_UNMAPPED_PARENTS) == 0
&& hasMappedChildren(mapping)) {
return false;
}
return true;
}
public boolean canCreateMapping(Collection<?> inputs, Collection<?> outputs, Mapping mapping) {
if (domain == null) {
return false;
}
int enablementFlags = domain.getMappingEnablementFlags();
if ((enablementFlags & MappingDomain.ENABLE_EMPTY_INPUTS) == 0 && inputs.size() == 0
|| (enablementFlags & MappingDomain.ENABLE_EMPTY_OUTPUTS) == 0 && outputs.size() == 0
|| inputs.size() == 0 && outputs.size() == 0
|| (enablementFlags & MappingDomain.ENABLE_MULTIPLE_INPUTS) == 0 && inputs.size() > 1
|| (enablementFlags & MappingDomain.ENABLE_MULTIPLE_OUTPUTS) == 0 && outputs.size() > 1
|| (enablementFlags & MappingDomain.ENABLE_MULTIPLE_INPUT_MAPPINGS) == 0
&& isMapped(inputs, mapping)
|| (enablementFlags & MappingDomain.ENABLE_MULTIPLE_OUTPUT_MAPPINGS) == 0
&& isMapped(outputs, mapping)
|| (enablementFlags & MappingDomain.ENABLE_UNMAPPED_PARENTS) == 0
&& !hasMappedParents(inputs, outputs)
|| (enablementFlags & MappingDomain.ENABLE_INCOMPATIBLE_METAOBJECTS) == 0
&& !hasCompatibleMetaObjects(inputs, outputs)
|| (enablementFlags & MappingDomain.ENABLE_INCOMPATIBLE_TYPE_CLASSIFIERS) == 0
&& !hasCompatibleTypes(inputs, outputs)) {
return false;
}
for (Object input : inputs) {
if (!isAttachedObject(input)) {
return false;
}
}
for (Object output : outputs) {
if (!isAttachedObject(output)) {
return false;
}
}
return true;
}
